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Cash and cash equivalents and Investments and Additional information on the consolidated statements of cash flows - Additional information required by IAS 7 (Details) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Reconciliation of liabilities generated by financing activities |  |  |
Proceeds from financial debt | $ 1,730 | $ 9,337 | $ 4,301
Payment of financial debt | 2,986 | 2,936 | 31
Payment of interest | 848 | 1,573 | $ 471
Total current financial debt |  |  |
Reconciliation of liabilities generated by financing activities |  |  |
Balances as of December 31, 2016 | 11,912 |  |
Cash Flows | (2,104) |  |
Accrued interests | 928 |  |
Exchange differences and currency translation adjustments | 1,499 |  |
Balances as of December 31, 2017 | 12,235 | 11,912 |
Bank overdrafts |  |  |
Reconciliation of liabilities generated by financing activities |  |  |
Balances as of December 31, 2016 | 1,707 |  |
Cash Flows | (1,572) |  |
Balances as of December 31, 2017 | 135 | 1,707 |
Bank loans - principal |  |  |
Reconciliation of liabilities generated by financing activities |  |  |
Balances as of December 31, 2016 | 7,401 |  |
Transfers | (1,092) |  |
Cash Flows | 882 |  |
Accrued interests | 11 |  |
Exchange differences and currency translation adjustments | 992 |  |
Balances as of December 31, 2017 | 8,194 | 7,401 |
Notes - principal |  |  |
Reconciliation of liabilities generated by financing activities |  |  |
Balances as of December 31, 2016 | 2,650 |  |
Transfers | (57) |  |
Cash Flows | (566) |  |
Exchange differences and currency translation adjustments | 131 |  |
Balances as of December 31, 2017 | 2,158 | 2,650 |
NDF |  |  |
Reconciliation of liabilities generated by financing activities |  |  |
Balances as of December 31, 2016 | 2 |  |
Cash Flows | (32) |  |
Accrued interests | 37 |  |
Exchange differences and currency translation adjustments | 10 |  |
Balances as of December 31, 2017 | 17 | 2 |
Accrued interests |  |  |
Reconciliation of liabilities generated by financing activities |  |  |
Balances as of December 31, 2016 | 152 |  |
Transfers | 1,149 |  |
Cash Flows | (816) |  |
Accrued interests | 880 |  |
Exchange differences and currency translation adjustments | 366 |  |
Balances as of December 31, 2017 | $ 1,731 | $ 152 |

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